CPC Subgroup
C25B 1/24 Halogens or compounds thereof
Full Title
Electrolytic production of inorganic compounds or non-metals > Products > Halogens or compounds thereof
2 direct subcodes
Child Classifications
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- C25B 1/245 Fluorine; Compounds thereof
- C25B 1/26 Chlorine; Compounds thereof (by simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine C25B1/34)
Top Applicants
Top 10 applicants by patent filingsfor class C25, 2013–2023, worldwide · Source: EPO PATSTAT
- CHINESE ACADEMY OF SCIENCES 1,393
- JFE STEEL JP 914
- EBARA CORPORATION JP 738
- INDUSTRIE DE NORA IT 674
- JX NIPPON MINING & METALS CORPORATION JP 652
- NIPPON STEEL CORPORATION JP 633
- CEA (COMMISSARIAT A L'ENERGIE ATOMIQUE) FR 630
- ROBERT BOSCH DE 626
- SIEMENS DE 587
- ATOTECH DEUTSCHLAND DE 561